415740720 has 40 divisors (see below), whose sum is σ = 1288796976. Its totient is φ = 110864128.

The previous prime is 415740719. The next prime is 415740733. The reversal of 415740720 is 27047514.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×415740720² = 345680692532236800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 865887 + ... + 866366.

Almost surely, 2^415740720 is an apocalyptic number.

415740720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

415740720 is an abundant number, since it is smaller than the sum of its proper divisors (873056256).

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

415740720 is a wasteful number, since it uses less digits than its factorization.

415740720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732269 (or 1732263 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 415740720 is about 20389.7209397284. The cubic root of 415740720 is about 746.3471085074.

The spelling of 415740720 in words is "four hundred fifteen million, seven hundred forty thousand, seven hundred twenty".