8253042904440 has 128 divisors (see below), whose sum is σ = 28458768744000. Its totient is φ = 2124921383424.

The previous prime is 8253042904423. The next prime is 8253042904451. The reversal of 8253042904440 is 444092403528.

8253042904440 is a `hidden beast` number, since 82 + 5 + 3 + 0 + 42 + 90 + 4 + 440 = 666.

It is a super-2 number, since 2×8253042904440² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131722239 + ... + 131784878.

Almost surely, 2^{8253042904440} is an apocalyptic number.

It is an amenable number.

8253042904440 is an abundant number, since it is smaller than the sum of its proper divisors (20205725839560).

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

8253042904440 is a wasteful number, since it uses less digits than its factorization.

8253042904440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263507166 (or 263507156 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 8253042904440 in words is "eight trillion, two hundred fifty-three billion, forty-two million, nine hundred four thousand, four hundred forty".