400141042 has 16 divisors (see below), whose sum is σ = 689925312. Its totient is φ = 170496720.

The previous prime is 400141031. The next prime is 400141069. The reversal of 400141042 is 240141004.

It is a super-2 number, since 2×400141042² = 320225706985691528, which contains 22 as substring.

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, 80184 + ... + 85027.

It is an arithmetic number, because the mean of its divisors is an integer number (43120332).

Almost surely, 2^400141042 is an apocalyptic number.

400141042 is a deficient number, since it is larger than the sum of its proper divisors (289784270).

400141042 is a wasteful number, since it uses less digits than its factorization.

400141042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165393.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 400141042 is about 20003.5257392291. The cubic root of 400141042 is about 736.8928900799.

Adding to 400141042 its reverse (240141004), we get a palindrome (640282046).

The spelling of 400141042 in words is "four hundred million, one hundred forty-one thousand, forty-two".