40620630 has 16 divisors (see below), whose sum is σ = 97489584. Its totient is φ = 10832160.

The previous prime is 40620623. The next prime is 40620647. The reversal of 40620630 is 3602604.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40620597 and 40620606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676981 + ... + 677040.

It is an arithmetic number, because the mean of its divisors is an integer number (6093099).

Almost surely, 2^40620630 is an apocalyptic number.

40620630 is an abundant number, since it is smaller than the sum of its proper divisors (56868954).

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

40620630 is a wasteful number, since it uses less digits than its factorization.

40620630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354031.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40620630 is about 6373.4315717673. The cubic root of 40620630 is about 343.7548900682.

The spelling of 40620630 in words is "forty million, six hundred twenty thousand, six hundred thirty".