40325032544 has 48 divisors (see below), whose sum is σ = 79639963200. Its totient is φ = 20099124864.

The previous prime is 40325032513. The next prime is 40325032607. The reversal of 40325032544 is 44523052304.

It is a super-2 number, since 2×40325032544² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 40325032544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25537547 + ... + 25539125.

It is an arithmetic number, because the mean of its divisors is an integer number (1659165900).

Almost surely, 2^40325032544 is an apocalyptic number.

It is an amenable number.

40325032544 is a deficient number, since it is larger than the sum of its proper divisors (39314930656).

40325032544 is a wasteful number, since it uses less digits than its factorization.

40325032544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 40325032544 its reverse (44523052304), we get a palindrome (84848084848).

The spelling of 40325032544 in words is "forty billion, three hundred twenty-five million, thirty-two thousand, five hundred forty-four".