400606036365 has 32 divisors (see below), whose sum is σ = 669159279360. Its totient is φ = 204268939776.

The previous prime is 400606036357. The next prime is 400606036387. The reversal of 400606036365 is 563630606004.

It is a happy number.

It is not a de Polignac number, because 400606036365 - 2³ = 400606036357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442779 + ... + 998631.

It is an arithmetic number, because the mean of its divisors is an integer number (20911227480).

Almost surely, 2^400606036365 is an apocalyptic number.

It is an amenable number.

400606036365 is a deficient number, since it is larger than the sum of its proper divisors (268553242995).

400606036365 is a wasteful number, since it uses less digits than its factorization.

400606036365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557973.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 400606036365 in words is "four hundred billion, six hundred six million, thirty-six thousand, three hundred sixty-five".