40605650604 has 36 divisors (see below), whose sum is σ = 102703933696. Its totient is φ = 13527057888.

The previous prime is 40605650599. The next prime is 40605650609.

It is a happy number.

40605650604 is a `hidden beast` number, since 40 + 6 + 0 + 5 + 6 + 5 + 0 + 604 = 666.

40605650604 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (40605650599) and next prime (40605650609).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40605650609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279259 + ... + 398994.

Almost surely, 2^40605650604 is an apocalyptic number.

It is an amenable number.

40605650604 is an abundant number, since it is smaller than the sum of its proper divisors (62098283092).

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

40605650604 is a wasteful number, since it uses less digits than its factorization.

40605650604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679926 (or 679921 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 40605650604 in words is "forty billion, six hundred five million, six hundred fifty thousand, six hundred four".