400403120534 has 8 divisors (see below), whose sum is σ = 606796481928. Its totient is φ = 198137626560.

The previous prime is 400403120489. The next prime is 400403120561. The reversal of 400403120534 is 435021304004.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031966612 + ... + 1031966999.

It is an arithmetic number, because the mean of its divisors is an integer number (75849560241).

Almost surely, 2^400403120534 is an apocalyptic number.

400403120534 is a deficient number, since it is larger than the sum of its proper divisors (206393361394).

400403120534 is a wasteful number, since it uses less digits than its factorization.

400403120534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063933710.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 400403120534 its reverse (435021304004), we get a palindrome (835424424538).

The spelling of 400403120534 in words is "four hundred billion, four hundred three million, one hundred twenty thousand, five hundred thirty-four".