400148904124 has 24 divisors (see below), whose sum is σ = 716651936000. Its totient is φ = 195392587824.

The previous prime is 400148904121. The next prime is 400148904173. The reversal of 400148904124 is 421409841004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400148904121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014877 + ... + 1352875.

Almost surely, 2^400148904124 is an apocalyptic number.

It is an amenable number.

400148904124 is a deficient number, since it is larger than the sum of its proper divisors (316503031876).

400148904124 is a wasteful number, since it uses less digits than its factorization.

400148904124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344929 (or 344927 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 400148904124 in words is "four hundred billion, one hundred forty-eight million, nine hundred four thousand, one hundred twenty-four".