42630492 has 48 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 13170432.

The previous prime is 42630481. The next prime is 42630499. The reversal of 42630492 is 29403624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42630499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12109 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^42630492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42630492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53464320).

42630492 is an abundant number, since it is smaller than the sum of its proper divisors (64298148).

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

42630492 is a wasteful number, since it uses less digits than its factorization.

42630492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 42630492 is about 6529.2030141511. The cubic root of 42630492 is about 349.3334033402. Note that the first 3 decimals are identical.

The spelling of 42630492 in words is "forty-two million, six hundred thirty thousand, four hundred ninety-two".