400250670405 has 16 divisors (see below), whose sum is σ = 640424647104. Its totient is φ = 213459166080.

The previous prime is 400250670371. The next prime is 400250670431. The reversal of 400250670405 is 504076052004.

It is not a de Polignac number, because 400250670405 - 2⁷ = 400250670277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57739 + ... + 896568.

It is an arithmetic number, because the mean of its divisors is an integer number (40026540444).

Almost surely, 2^400250670405 is an apocalyptic number.

It is an amenable number.

400250670405 is a deficient number, since it is larger than the sum of its proper divisors (240173976699).

400250670405 is a wasteful number, since it uses less digits than its factorization.

400250670405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982276.

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 400250670405 in words is "four hundred billion, two hundred fifty million, six hundred seventy thousand, four hundred five".