42754621504 has 42 divisors (see below), whose sum is σ = 98692834110. Its totient is φ = 18323407872.

The previous prime is 42754621499. The next prime is 42754621517. The reversal of 42754621504 is 40512645724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40462127104 + 2292494400 = 201152^2 + 47880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6813609 + ... + 6819880.

Almost surely, 2^42754621504 is an apocalyptic number.

It is an amenable number.

42754621504 is an abundant number, since it is smaller than the sum of its proper divisors (55938212606).

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

42754621504 is a wasteful number, since it uses less digits than its factorization.

42754621504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13633515 (or 13633498 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 42754621504 in words is "forty-two billion, seven hundred fifty-four million, six hundred twenty-one thousand, five hundred four".