840551054 has 32 divisors (see below), whose sum is σ = 1524234240. Its totient is φ = 339844032.

The previous prime is 840551011. The next prime is 840551093. The reversal of 840551054 is 450155048.

It is a self number, because there is not a number n which added to its sum of digits gives 840551054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5627 + ... + 41385.

It is an arithmetic number, because the mean of its divisors is an integer number (47632320).

Almost surely, 2^840551054 is an apocalyptic number.

840551054 is a deficient number, since it is larger than the sum of its proper divisors (683683186).

840551054 is a wasteful number, since it uses less digits than its factorization.

840551054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35864.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 840551054 is about 28992.2585184390. The cubic root of 840551054 is about 943.7450766873.

The spelling of 840551054 in words is "eight hundred forty million, five hundred fifty-one thousand, fifty-four".