400377087929 has 8 divisors (see below), whose sum is σ = 492771800640. Its totient is φ = 316781871696.

The previous prime is 400377087893. The next prime is 400377087931. The reversal of 400377087929 is 929780773004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400377087929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400377087629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199874019 + ... + 2199874200.

It is an arithmetic number, because the mean of its divisors is an integer number (61596475080).

Almost surely, 2^400377087929 is an apocalyptic number.

It is an amenable number.

400377087929 is a deficient number, since it is larger than the sum of its proper divisors (92394712711).

400377087929 is a wasteful number, since it uses less digits than its factorization.

400377087929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399748239.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 400377087929 in words is "four hundred billion, three hundred seventy-seven million, eighty-seven thousand, nine hundred twenty-nine".