457780620 has 48 divisors (see below), whose sum is σ = 1398313728. Its totient is φ = 110976960.

The previous prime is 457780619. The next prime is 457780639. The reversal of 457780620 is 26087754.

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, 346144 + ... + 347463.

It is an arithmetic number, because the mean of its divisors is an integer number (29131536).

Almost surely, 2^457780620 is an apocalyptic number.

It is an amenable number.

457780620 is an abundant number, since it is smaller than the sum of its proper divisors (940533108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

457780620 is a wasteful number, since it uses less digits than its factorization.

457780620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693630 (or 693628 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 457780620 is about 21395.8084680154. The cubic root of 457780620 is about 770.7007844030.

The spelling of 457780620 in words is "four hundred fifty-seven million, seven hundred eighty thousand, six hundred twenty".