40374643616552 has 32 divisors (see below), whose sum is σ = 86526851728320. Its totient is φ = 17301467040000.

The previous prime is 40374643616551. The next prime is 40374643616557. The reversal of 40374643616552 is 25561634647304.

It is a super-2 number, since 2×40374643616552² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) 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 (56).

It is not an unprimeable number, because it can be changed into a prime (40374643616551) 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, 40158449 + ... + 41151552.

It is an arithmetic number, because the mean of its divisors is an integer number (2703964116510).

Almost surely, 2^{40374643616552} is an apocalyptic number.

It is an amenable number.

40374643616552 is an abundant number, since it is smaller than the sum of its proper divisors (46152208111768).

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

40374643616552 is a wasteful number, since it uses less digits than its factorization.

40374643616552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81318881 (or 81318877 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 56.

The spelling of 40374643616552 in words is "forty trillion, three hundred seventy-four billion, six hundred forty-three million, six hundred sixteen thousand, five hundred fifty-two".