40045535231052 has 48 divisors (see below), whose sum is σ = 101070534281472. Its totient is φ = 12267422506560.

The previous prime is 40045535231027. The next prime is 40045535231059. The reversal of 40045535231052 is 25013253554004.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 40045535231052.

It is not an unprimeable number, because it can be changed into a prime (40045535231059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565387824 + ... + 565458647.

It is an arithmetic number, because the mean of its divisors is an integer number (2105636130864).

Almost surely, 2^{40045535231052} is an apocalyptic number.

It is an amenable number.

40045535231052 is an abundant number, since it is smaller than the sum of its proper divisors (61024999050420).

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

40045535231052 is a wasteful number, since it uses less digits than its factorization.

40045535231052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130846718 (or 1130846716 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 40045535231052 its reverse (25013253554004), we get a palindrome (65058788785056).

The spelling of 40045535231052 in words is "forty trillion, forty-five billion, five hundred thirty-five million, two hundred thirty-one thousand, fifty-two".