454595509090 has 32 divisors (see below), whose sum is σ = 846695430000. Its totient is φ = 175524937728.

The previous prime is 454595509087. The next prime is 454595509127. The reversal of 454595509090 is 90905595454.

It can be written as a sum of positive squares in 8 ways, for example, as 195729262569 + 258866246521 = 442413^2 + 508789^2 .

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, 1007586 + ... + 1387234.

Almost surely, 2^454595509090 is an apocalyptic number.

454595509090 is a deficient number, since it is larger than the sum of its proper divisors (392099920910).

454595509090 is a wasteful number, since it uses less digits than its factorization.

454595509090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383814.

The product of its (nonzero) digits is 7290000, while the sum is 55.

The spelling of 454595509090 in words is "four hundred fifty-four billion, five hundred ninety-five million, five hundred nine thousand, ninety".