462078820 has 36 divisors (see below), whose sum is σ = 1128794940. Its totient is φ = 158426688.

The previous prime is 462078811. The next prime is 462078823. The reversal of 462078820 is 28870264.

It can be written as a sum of positive squares in 2 ways, for example, as 221890816 + 240188004 = 14896^2 + 15498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 462078820.

It is not an unprimeable number, because it can be changed into a prime (462078823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234775 + ... + 236734.

It is an arithmetic number, because the mean of its divisors is an integer number (31355415).

Almost surely, 2^462078820 is an apocalyptic number.

It is an amenable number.

462078820 is an abundant number, since it is smaller than the sum of its proper divisors (666716120).

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

462078820 is a wasteful number, since it uses less digits than its factorization.

462078820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471532 (or 471523 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 462078820 is about 21496.0187011456. The cubic root of 462078820 is about 773.1053657387.

The spelling of 462078820 in words is "four hundred sixty-two million, seventy-eight thousand, eight hundred twenty".