40523566146 has 48 divisors (see below), whose sum is σ = 95021761536. Its totient is φ = 11486984544.

The previous prime is 40523566007. The next prime is 40523566147. The reversal of 40523566146 is 64166532504.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 40523566098 and 40523566107.

It is not an unprimeable number, because it can be changed into a prime (40523566147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505321 + ... + 579996.

It is an arithmetic number, because the mean of its divisors is an integer number (1979620032).

Almost surely, 2^40523566146 is an apocalyptic number.

40523566146 is an abundant number, since it is smaller than the sum of its proper divisors (54498195390).

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

40523566146 is a wasteful number, since it uses less digits than its factorization.

40523566146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085463 (or 1085456 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 40523566146 in words is "forty billion, five hundred twenty-three million, five hundred sixty-six thousand, one hundred forty-six".