42001542452 has 12 divisors (see below), whose sum is σ = 73832309376. Its totient is φ = 20906596920.

The previous prime is 42001542413. The next prime is 42001542461. The reversal of 42001542452 is 25424510024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23542574 + ... + 23544357.

It is an arithmetic number, because the mean of its divisors is an integer number (6152692448).

Almost surely, 2^42001542452 is an apocalyptic number.

It is an amenable number.

42001542452 is a deficient number, since it is larger than the sum of its proper divisors (31830766924).

42001542452 is a wasteful number, since it uses less digits than its factorization.

42001542452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47087158 (or 47087156 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 42001542452 in words is "forty-two billion, one million, five hundred forty-two thousand, four hundred fifty-two".