42900140 has 24 divisors (see below), whose sum is σ = 90275472. Its totient is φ = 17124800.

The previous prime is 42900107. The next prime is 42900149. The reversal of 42900140 is 4100924.

42900140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (42900149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9215 + ... + 13065.

It is an arithmetic number, because the mean of its divisors is an integer number (3761478).

Almost surely, 2^42900140 is an apocalyptic number.

It is an amenable number.

42900140 is an abundant number, since it is smaller than the sum of its proper divisors (47375332).

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

42900140 is a wasteful number, since it uses less digits than its factorization.

42900140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 42900140 is about 6549.8198448507. The cubic root of 42900140 is about 350.0683947971.

The spelling of 42900140 in words is "forty-two million, nine hundred thousand, one hundred forty".