411655540 has 24 divisors (see below), whose sum is σ = 869260392. Its totient is φ = 163751040.

The previous prime is 411655537. The next prime is 411655591. The reversal of 411655540 is 45556114.

It can be written as a sum of positive squares in 4 ways, for example, as 9572836 + 402082704 = 3094^2 + 20052^2 .

It is a super-2 number, since 2×411655540² = 338920567225383200, which contains 22 as substring.

It is a congruent number.

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, 53239 + ... + 60478.

It is an arithmetic number, because the mean of its divisors is an integer number (36219183).

Almost surely, 2^411655540 is an apocalyptic number.

It is an amenable number.

411655540 is an abundant number, since it is smaller than the sum of its proper divisors (457604852).

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

411655540 is a wasteful number, since it uses less digits than its factorization.

411655540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113907 (or 113905 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 411655540 is about 20289.2961928205. The cubic root of 411655540 is about 743.8944550052.

The spelling of 411655540 in words is "four hundred eleven million, six hundred fifty-five thousand, five hundred forty".