840054514 has 16 divisors (see below), whose sum is σ = 1358122752. Its totient is φ = 387399888.

The previous prime is 840054503. The next prime is 840054533. The reversal of 840054514 is 415450048.

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, 20767 + ... + 45949.

It is an arithmetic number, because the mean of its divisors is an integer number (84882672).

Almost surely, 2^840054514 is an apocalyptic number.

840054514 is a deficient number, since it is larger than the sum of its proper divisors (518068238).

840054514 is a wasteful number, since it uses less digits than its factorization.

840054514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26481.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 840054514 is about 28983.6939329686. The cubic root of 840054514 is about 943.5592067622.

The spelling of 840054514 in words is "eight hundred forty million, fifty-four thousand, five hundred fourteen".