1612799040 has 224 divisors, whose sum is σ = 5577840000. Its totient is φ = 393265152.

The previous prime is 1612799003. The next prime is 1612799047. The reversal of 1612799040 is 409972161.

It is a super-2 number, since 2×1612799040² = 5202241486849843200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1612799040.

It is not an unprimeable number, because it can be changed into a prime (1612799047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527436 + ... + 530484.

Almost surely, 2^1612799040 is an apocalyptic number.

1612799040 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 1612799040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2788920000).

1612799040 is an abundant number, since it is smaller than the sum of its proper divisors (3965040960).

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

1612799040 is a wasteful number, since it uses less digits than its factorization.

1612799040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1612799040 is about 40159.6693213478. The cubic root of 1612799040 is about 1172.7175344204.

The spelling of 1612799040 in words is "one billion, six hundred twelve million, seven hundred ninety-nine thousand, forty".