1634746044 has 48 divisors (see below), whose sum is σ = 4080470688. Its totient is φ = 507568128.

The previous prime is 1634746031. The next prime is 1634746067. The reversal of 1634746044 is 4406474361.

It is a junction number, because it is equal to n+sod(n) for n = 1634745993 and 1634746011.

It is a congruent number.

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, 21519 + ... + 61094.

It is an arithmetic number, because the mean of its divisors is an integer number (85009806).

Almost surely, 2^1634746044 is an apocalyptic number.

It is an amenable number.

1634746044 is an abundant number, since it is smaller than the sum of its proper divisors (2445724644).

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

1634746044 is a wasteful number, since it uses less digits than its factorization.

1634746044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82734 (or 82732 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 1634746044 is about 40431.9928274628. The cubic root of 1634746044 is about 1178.0130412493.

The spelling of 1634746044 in words is "one billion, six hundred thirty-four million, seven hundred forty-six thousand, forty-four".