40540420532 has 6 divisors (see below), whose sum is σ = 70945735938. Its totient is φ = 20270210264.

The previous prime is 40540420513. The next prime is 40540420549. The reversal of 40540420532 is 23502404504.

40540420532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24637697296 + 15902723236 = 156964^2 + 126106^2 .

It is a super-2 number, since 2×40540420532² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40540420495 and 40540420504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5067552563 + ... + 5067552570.

It is an arithmetic number, because the mean of its divisors is an integer number (11824289323).

Almost surely, 2^40540420532 is an apocalyptic number.

It is an amenable number.

40540420532 is a deficient number, since it is larger than the sum of its proper divisors (30405315406).

40540420532 is a wasteful number, since it uses less digits than its factorization.

40540420532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135105137 (or 10135105135 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The spelling of 40540420532 in words is "forty billion, five hundred forty million, four hundred twenty thousand, five hundred thirty-two".