545440424552 has 128 divisors (see below), whose sum is σ = 1142439344640. Its totient is φ = 242995875840.

The previous prime is 545440424533. The next prime is 545440424561. The reversal of 545440424552 is 255424044545.

It is a happy 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, 40908527 + ... + 40921857.

It is an arithmetic number, because the mean of its divisors is an integer number (8925307380).

Almost surely, 2^545440424552 is an apocalyptic number.

It is an amenable number.

545440424552 is an abundant number, since it is smaller than the sum of its proper divisors (596998920088).

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

545440424552 is a wasteful number, since it uses less digits than its factorization.

545440424552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611 (or 13607 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 44.

The spelling of 545440424552 in words is "five hundred forty-five billion, four hundred forty million, four hundred twenty-four thousand, five hundred fifty-two".