400400674034 has 32 divisors (see below), whose sum is σ = 659768664960. Its totient is φ = 181398096000.

The previous prime is 400400674033. The next prime is 400400674099. The reversal of 400400674034 is 430476004004.

It is not an unprimeable number, because it can be changed into a prime (400400674033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11292734 + ... + 11328134.

It is an arithmetic number, because the mean of its divisors is an integer number (20617770780).

Almost surely, 2^400400674034 is an apocalyptic number.

400400674034 is a deficient number, since it is larger than the sum of its proper divisors (259367990926).

400400674034 is a wasteful number, since it uses less digits than its factorization.

400400674034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48386.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 400400674034 its reverse (430476004004), we get a palindrome (830876678038).

The spelling of 400400674034 in words is "four hundred billion, four hundred million, six hundred seventy-four thousand, thirty-four".