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1214431300440 = 23325173128322619
BaseRepresentation
bin10001101011000001101…
…111110000101101011000
311022002122210202010112100
4101223001233300231120
5124344123403103230
62325522501243400
7153511511506161
oct21530157605530
94262583663470
101214431300440
11429045899776
12177446703560
138a69c377037
1442ac8dd2768
15218cbb16660
hex11ac1bf0b58

1214431300440 has 384 divisors, whose sum is σ = 4329315993600. Its totient is φ = 293910958080.

The previous prime is 1214431300429. The next prime is 1214431300531. The reversal of 1214431300440 is 440031344121.

1214431300440 is a `hidden beast` number, since 1 + 214 + 4 + 3 + 1 + 3 + 0 + 0 + 440 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53679451 + ... + 53702069.

It is an arithmetic number, because the mean of its divisors is an integer number (11274260400).

Almost surely, 21214431300440 is an apocalyptic number.

1214431300440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214431300440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164657996800).

1214431300440 is an abundant number, since it is smaller than the sum of its proper divisors (3114884693160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214431300440 is a wasteful number, since it uses less digits than its factorization.

1214431300440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22967 (or 22960 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1214431300440 its reverse (440031344121), we get a palindrome (1654462644561).

The spelling of 1214431300440 in words is "one trillion, two hundred fourteen billion, four hundred thirty-one million, three hundred thousand, four hundred forty".