40528934392320 has 560 divisors, whose sum is σ = 158940113378112. Its totient is φ = 9825191239680.

The previous prime is 40528934392313. The next prime is 40528934392327. The reversal of 40528934392320 is 2329343982504.

40528934392320 is a `hidden beast` number, since 4 + 0 + 5 + 289 + 3 + 4 + 39 + 2 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (40528934392313) and next prime (40528934392327).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (40528934392327) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 19541509 + ... + 21515771.

Almost surely, 2^{40528934392320} is an apocalyptic number.

40528934392320 is a gapful number since it is divisible by the number (40) 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 40528934392320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79470056689056).

40528934392320 is an abundant number, since it is smaller than the sum of its proper divisors (118411178985792).

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

40528934392320 is an equidigital number, since it uses as much as digits as its factorization.

40528934392320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974315 (or 1974284 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 40528934392320 in words is "forty trillion, five hundred twenty-eight billion, nine hundred thirty-four million, three hundred ninety-two thousand, three hundred twenty".