400001155354 has 16 divisors (see below), whose sum is σ = 607959522720. Its totient is φ = 197365040080.

The previous prime is 400001155339. The next prime is 400001155373. The reversal of 400001155354 is 453551100004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4217689 + ... + 4311484.

It is an arithmetic number, because the mean of its divisors is an integer number (37997470170).

Almost surely, 2^400001155354 is an apocalyptic number.

400001155354 is a deficient number, since it is larger than the sum of its proper divisors (207958367366).

400001155354 is a wasteful number, since it uses less digits than its factorization.

400001155354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529485.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 400001155354 its reverse (453551100004), we get a palindrome (853552255358).

The spelling of 400001155354 in words is "four hundred billion, one million, one hundred fifty-five thousand, three hundred fifty-four".