6406624037 has 32 divisors (see below), whose sum is σ = 7306827264. Its totient is φ = 5566017600.

The previous prime is 6406624031. The next prime is 6406624069. The reversal of 6406624037 is 7304266046.

It is not a de Polignac number, because 6406624037 - 2¹⁸ = 6406361893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406624031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5704358 + ... + 5705480.

It is an arithmetic number, because the mean of its divisors is an integer number (228338352).

Almost surely, 2^6406624037 is an apocalyptic number.

It is an amenable number.

6406624037 is a deficient number, since it is larger than the sum of its proper divisors (900203227).

6406624037 is a wasteful number, since it uses less digits than its factorization.

6406624037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 6406624037 is about 80041.3895244204. The cubic root of 6406624037 is about 1857.2758554205.

The spelling of 6406624037 in words is "six billion, four hundred six million, six hundred twenty-four thousand, thirty-seven".