32540453540 has 24 divisors (see below), whose sum is σ = 78097088832. Its totient is φ = 11156726880.

The previous prime is 32540453527. The next prime is 32540453551. The reversal of 32540453540 is 4535404523.

It is a super-2 number, since 2×32540453540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 32540453540.

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, 116215766 + ... + 116216045.

It is an arithmetic number, because the mean of its divisors is an integer number (3254045368).

Almost surely, 2^32540453540 is an apocalyptic number.

It is an amenable number.

32540453540 is an abundant number, since it is smaller than the sum of its proper divisors (45556635292).

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

32540453540 is a wasteful number, since it uses less digits than its factorization.

32540453540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232431827 (or 232431825 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 32540453540 in words is "thirty-two billion, five hundred forty million, four hundred fifty-three thousand, five hundred forty".