42039654 has 12 divisors (see below), whose sum is σ = 84111084. Its totient is φ = 14007924.

The previous prime is 42039631. The next prime is 42039677. The reversal of 42039654 is 45693024.

It is an interprime number because it is at equal distance from previous prime (42039631) and next prime (42039677).

It is a congruent number.

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, 14559 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (7009257).

Almost surely, 2^42039654 is an apocalyptic number.

42039654 is an abundant number, since it is smaller than the sum of its proper divisors (42071430).

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

42039654 is an frugal number, since it uses more digits than its factorization.

42039654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 42039654 is about 6483.7993491471. The cubic root of 42039654 is about 347.7120256026.

The spelling of 42039654 in words is "forty-two million, thirty-nine thousand, six hundred fifty-four".