40564550450 has 48 divisors (see below), whose sum is σ = 75793128840. Its totient is φ = 16152222720.

The previous prime is 40564550431. The next prime is 40564550471. The reversal of 40564550450 is 5405546504.

It can be written as a sum of positive squares in 12 ways, for example, as 8030131321 + 32534419129 = 89611^2 + 180373^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11532092 + ... + 11535608.

Almost surely, 2^40564550450 is an apocalyptic number.

40564550450 is a deficient number, since it is larger than the sum of its proper divisors (35228578390).

40564550450 is a wasteful number, since it uses less digits than its factorization.

40564550450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511 (or 4506 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 40564550450 in words is "forty billion, five hundred sixty-four million, five hundred fifty thousand, four hundred fifty".