409133541540 has 48 divisors (see below), whose sum is σ = 1145631650688. Its totient is φ = 109096779264.

The previous prime is 409133541533. The next prime is 409133541563. The reversal of 409133541540 is 45145331904.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107324 + ... + 1429836.

It is an arithmetic number, because the mean of its divisors is an integer number (23867326056).

Almost surely, 2^409133541540 is an apocalyptic number.

It is an amenable number.

409133541540 is an abundant number, since it is smaller than the sum of its proper divisors (736498109148).

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

409133541540 is a wasteful number, since it uses less digits than its factorization.

409133541540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343668 (or 343666 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 409133541540 in words is "four hundred nine billion, one hundred thirty-three million, five hundred forty-one thousand, five hundred forty".