400516651455142 has 16 divisors (see below), whose sum is σ = 600849767870352. Its totient is φ = 200233397026080.

The previous prime is 400516651455131. The next prime is 400516651455157. The reversal of 400516651455142 is 241554156615004.

It is a congruent number.

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, 548219517 + ... + 548949607.

It is an arithmetic number, because the mean of its divisors is an integer number (37553110491897).

Almost surely, 2^{400516651455142} is an apocalyptic number.

400516651455142 is a deficient number, since it is larger than the sum of its proper divisors (200333116415210).

400516651455142 is a wasteful number, since it uses less digits than its factorization.

400516651455142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763863.

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 400516651455142 in words is "four hundred trillion, five hundred sixteen billion, six hundred fifty-one million, four hundred fifty-five thousand, one hundred forty-two".