407542890 has 32 divisors (see below), whose sum is σ = 981927360. Its totient is φ = 108253184.

The previous prime is 407542879. The next prime is 407542939. The reversal of 407542890 is 98245704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18720 + ... + 34139.

It is an arithmetic number, because the mean of its divisors is an integer number (30685230).

Almost surely, 2^407542890 is an apocalyptic number.

407542890 is an abundant number, since it is smaller than the sum of its proper divisors (574384470).

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

407542890 is a wasteful number, since it uses less digits than its factorization.

407542890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53126.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 407542890 is about 20187.6915470789. The cubic root of 407542890 is about 741.4088633641.

The spelling of 407542890 in words is "four hundred seven million, five hundred forty-two thousand, eight hundred ninety".