42501264 has 40 divisors (see below), whose sum is σ = 118242432. Its totient is φ = 13077120.

The previous prime is 42501259. The next prime is 42501287. The reversal of 42501264 is 46210524.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33432 + ... + 34679.

Almost surely, 2^42501264 is an apocalyptic number.

It is an amenable number.

42501264 is an abundant number, since it is smaller than the sum of its proper divisors (75741168).

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

42501264 is a wasteful number, since it uses less digits than its factorization.

42501264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68135 (or 68129 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42501264 is about 6519.2993488564. The cubic root of 42501264 is about 348.9800619694.

Adding to 42501264 its reverse (46210524), we get a palindrome (88711788).

The spelling of 42501264 in words is "forty-two million, five hundred one thousand, two hundred sixty-four".