455723243642 has 16 divisors (see below), whose sum is σ = 723822858432. Its totient is φ = 214449961920.

The previous prime is 455723243579. The next prime is 455723243653. The reversal of 455723243642 is 246342327554.

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, 724667 + ... + 1198577.

It is an arithmetic number, because the mean of its divisors is an integer number (45238928652).

Almost surely, 2^455723243642 is an apocalyptic number.

455723243642 is a deficient number, since it is larger than the sum of its proper divisors (268099614790).

455723243642 is a wasteful number, since it uses less digits than its factorization.

455723243642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502213.

The product of its digits is 4838400, while the sum is 47.

The spelling of 455723243642 in words is "four hundred fifty-five billion, seven hundred twenty-three million, two hundred forty-three thousand, six hundred forty-two".