40799493990528 has 512 divisors, whose sum is σ = 136657828823040. Its totient is φ = 10497584627712.

The previous prime is 40799493990517. The next prime is 40799493990539. The reversal of 40799493990528 is 82509939499704.

It is an interprime number because it is at equal distance from previous prime (40799493990517) and next prime (40799493990539).

It is a Smith number, since the sum of its digits (78) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 514021501 + ... + 514100867.

It is an arithmetic number, because the mean of its divisors is an integer number (266909821920).

Almost surely, 2^{40799493990528} is an apocalyptic number.

40799493990528 is a gapful number since it is divisible by the number (48) 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 40799493990528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68328914411520).

40799493990528 is an abundant number, since it is smaller than the sum of its proper divisors (95858334832512).

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

40799493990528 is a wasteful number, since it uses less digits than its factorization.

40799493990528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79764 (or 79752 counting only the distinct ones).

The product of its (nonzero) digits is 1587237120, while the sum is 78.

The spelling of 40799493990528 in words is "forty trillion, seven hundred ninety-nine billion, four hundred ninety-three million, nine hundred ninety thousand, five hundred twenty-eight".