42293464 has 8 divisors (see below), whose sum is σ = 79300260. Its totient is φ = 21146728.

The previous prime is 42293443. The next prime is 42293477. The reversal of 42293464 is 46439224.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643334 + ... + 2643349.

Almost surely, 2^42293464 is an apocalyptic number.

It is an amenable number.

42293464 is a deficient number, since it is larger than the sum of its proper divisors (37006796).

42293464 is a wasteful number, since it uses less digits than its factorization.

42293464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286689 (or 5286685 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 42293464 is about 6503.3425251943. The cubic root of 42293464 is about 348.4103803583.

Subtracting 42293464 from its reverse (46439224), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 42293464 in words is "forty-two million, two hundred ninety-three thousand, four hundred sixty-four".