420054715 has 16 divisors (see below), whose sum is σ = 509937120. Its totient is φ = 332144640.

The previous prime is 420054709. The next prime is 420054757. The reversal of 420054715 is 517450024.

It is a de Polignac number, because none of the positive numbers 2^k-420054715 is a prime.

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, 410905 + ... + 411925.

It is an arithmetic number, because the mean of its divisors is an integer number (31871070).

Almost surely, 2^420054715 is an apocalyptic number.

420054715 is a deficient number, since it is larger than the sum of its proper divisors (89882405).

420054715 is a wasteful number, since it uses less digits than its factorization.

420054715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 420054715 is about 20495.2363977584. The cubic root of 420054715 is about 748.9197574409.

The spelling of 420054715 in words is "four hundred twenty million, fifty-four thousand, seven hundred fifteen".