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4020240384 = 2213371
BaseRepresentation
bin1110111110100000…
…0000000000000000
3101101011210101001000
43233220000000000
531213140143014
61502531412000
7201424323306
oct35750000000
911334711030
104020240384
111783359116
12942454000
134c0b8a384
142a1d02276
15187e22509
hexefa00000

4020240384 has 176 divisors, whose sum is σ = 12079592640. Its totient is φ = 1321205760.

The previous prime is 4020240383. The next prime is 4020240421. The reversal of 4020240384 is 4830420204.

It is a happy number.

4020240384 is a `hidden beast` number, since 40 + 2 + 0 + 240 + 384 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020240383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56623069 + ... + 56623139.

Almost surely, 24020240384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020240384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6039796320).

4020240384 is an abundant number, since it is smaller than the sum of its proper divisors (8059352256).

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

4020240384 is an frugal number, since it uses more digits than its factorization.

4020240384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4020240384 is about 63405.3655773705. The cubic root of 4020240384 is about 1590.0740157784.

Adding to 4020240384 its reverse (4830420204), we get a palindrome (8850660588).

The spelling of 4020240384 in words is "four billion, twenty million, two hundred forty thousand, three hundred eighty-four".