400746142 has 8 divisors (see below), whose sum is σ = 601234632. Its totient is φ = 200334600.

The previous prime is 400746139. The next prime is 400746163. The reversal of 400746142 is 241647004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 400746142.

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, 3709 + ... + 28552.

It is an arithmetic number, because the mean of its divisors is an integer number (75154329).

Almost surely, 2^400746142 is an apocalyptic number.

400746142 is a deficient number, since it is larger than the sum of its proper divisors (200488490).

400746142 is a wasteful number, since it uses less digits than its factorization.

400746142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38474.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 400746142 is about 20018.6448592306. The cubic root of 400746142 is about 737.2641502665.

The spelling of 400746142 in words is "four hundred million, seven hundred forty-six thousand, one hundred forty-two".