40403461620 has 48 divisors (see below), whose sum is σ = 119083890240. Its totient is φ = 10207190016.

The previous prime is 40403461607. The next prime is 40403461627. The reversal of 40403461620 is 2616430404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40403461627) 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, 17719677 + ... + 17721956.

It is an arithmetic number, because the mean of its divisors is an integer number (2480914380).

Almost surely, 2^40403461620 is an apocalyptic number.

It is an amenable number.

40403461620 is an abundant number, since it is smaller than the sum of its proper divisors (78680428620).

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

40403461620 is a wasteful number, since it uses less digits than its factorization.

40403461620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35441664 (or 35441662 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 40403461620 in words is "forty billion, four hundred three million, four hundred sixty-one thousand, six hundred twenty".