400875274 has 4 divisors (see below), whose sum is σ = 601312914. Its totient is φ = 200437636.

The previous prime is 400875259. The next prime is 400875311. The reversal of 400875274 is 472578004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 358534225 + 42341049 = 18935^2 + 6507^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100218817 + ... + 100218820.

Almost surely, 2^400875274 is an apocalyptic number.

400875274 is a deficient number, since it is larger than the sum of its proper divisors (200437640).

400875274 is a wasteful number, since it uses less digits than its factorization.

400875274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200437639.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 400875274 is about 20021.8698926948. The cubic root of 400875274 is about 737.3433310414.

The spelling of 400875274 in words is "four hundred million, eight hundred seventy-five thousand, two hundred seventy-four".