40635213630 has 32 divisors (see below), whose sum is σ = 106390378368. Its totient is φ = 9850960800.

The previous prime is 40635213601. The next prime is 40635213643. The reversal of 40635213630 is 3631253604.

40635213630 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 (33).

It is a junction number, because it is equal to n+sod(n) for n = 40635213591 and 40635213600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61568176 + ... + 61568835.

It is an arithmetic number, because the mean of its divisors is an integer number (3324699324).

Almost surely, 2^40635213630 is an apocalyptic number.

40635213630 is an abundant number, since it is smaller than the sum of its proper divisors (65755164738).

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

40635213630 is a wasteful number, since it uses less digits than its factorization.

40635213630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123137032.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 40635213630 in words is "forty billion, six hundred thirty-five million, two hundred thirteen thousand, six hundred thirty".