40621267220 has 24 divisors (see below), whose sum is σ = 85341702600. Its totient is φ = 16241451392.

The previous prime is 40621267199. The next prime is 40621267241. The reversal of 40621267220 is 2276212604.

40621267220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40621267199) and next prime (40621267241).

It can be written as a sum of positive squares in 4 ways, for example, as 14996941444 + 25624325776 = 122462^2 + 160076^2 .

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, 393635 + ... + 485994.

It is an arithmetic number, because the mean of its divisors is an integer number (3555904275).

Almost surely, 2^40621267220 is an apocalyptic number.

It is an amenable number.

40621267220 is an abundant number, since it is smaller than the sum of its proper divisors (44720435380).

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

40621267220 is a wasteful number, since it uses less digits than its factorization.

40621267220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881947 (or 881945 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 40621267220 its reverse (2276212604), we get a palindrome (42897479824).

The spelling of 40621267220 in words is "forty billion, six hundred twenty-one million, two hundred sixty-seven thousand, two hundred twenty".