478612567240 has 16 divisors (see below), whose sum is σ = 1076878276380. Its totient is φ = 191445026880.

The previous prime is 478612567207. The next prime is 478612567243. The reversal of 478612567240 is 42765216874.

It can be written as a sum of positive squares in 2 ways, for example, as 439242864516 + 39369702724 = 662754^2 + 198418^2 .

It is not an unprimeable number, because it can be changed into a prime (478612567243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5982657051 + ... + 5982657130.

Almost surely, 2^478612567240 is an apocalyptic number.

478612567240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478612567240 is an abundant number, since it is smaller than the sum of its proper divisors (598265709140).

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

478612567240 is a wasteful number, since it uses less digits than its factorization.

478612567240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965314192 (or 11965314188 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 478612567240 in words is "four hundred seventy-eight billion, six hundred twelve million, five hundred sixty-seven thousand, two hundred forty".