454040421338 has 128 divisors (see below), whose sum is σ = 828739828224. Its totient is φ = 182530252800.

The previous prime is 454040421259. The next prime is 454040421361. The reversal of 454040421338 is 833124040454.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 482507948 + ... + 482508888.

It is an arithmetic number, because the mean of its divisors is an integer number (6474529908).

Almost surely, 2^454040421338 is an apocalyptic number.

454040421338 is a deficient number, since it is larger than the sum of its proper divisors (374699406886).

454040421338 is a wasteful number, since it uses less digits than its factorization.

454040421338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 454040421338 in words is "four hundred fifty-four billion, forty million, four hundred twenty-one thousand, three hundred thirty-eight".