1401402150720 has 1344 divisors, whose sum is σ = 5912145517824. Its totient is φ = 311497850880.

The previous prime is 1401402150691. The next prime is 1401402150779. The reversal of 1401402150720 is 270512041041.

1401402150720 is a `hidden beast` number, since 1 + 40 + 1 + 402 + 150 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2146097914 + ... + 2146098566.

It is an arithmetic number, because the mean of its divisors is an integer number (4398917796).

Almost surely, 2^{1401402150720} is an apocalyptic number.

1401402150720 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 1401402150720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2956072758912).

1401402150720 is an abundant number, since it is smaller than the sum of its proper divisors (4510743367104).

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

1401402150720 is a wasteful number, since it uses less digits than its factorization.

1401402150720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 1401402150720 its reverse (270512041041), we get a palindrome (1671914191761).

The spelling of 1401402150720 in words is "one trillion, four hundred one billion, four hundred two million, one hundred fifty thousand, seven hundred twenty".