415430840 has 32 divisors (see below), whose sum is σ = 1019694960. Its totient is φ = 151065600.

The previous prime is 415430833. The next prime is 415430849. The reversal of 415430840 is 48034514.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415430849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471641 + ... + 472520.

Almost surely, 2^415430840 is an apocalyptic number.

415430840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

415430840 is an abundant number, since it is smaller than the sum of its proper divisors (604264120).

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

415430840 is a wasteful number, since it uses less digits than its factorization.

415430840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944183 (or 944179 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 415430840 is about 20382.1205962481. The cubic root of 415430840 is about 746.1616278964.

The spelling of 415430840 in words is "four hundred fifteen million, four hundred thirty thousand, eight hundred forty".