40450747040 has 48 divisors (see below), whose sum is σ = 104252611680. Its totient is φ = 14709361920.

The previous prime is 40450747027. The next prime is 40450747049. The reversal of 40450747040 is 4074705404.

It is not an unprimeable number, because it can be changed into a prime (40450747049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11489930 + ... + 11493449.

It is an arithmetic number, because the mean of its divisors is an integer number (2171929410).

Almost surely, 2^40450747040 is an apocalyptic number.

40450747040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40450747040 is an abundant number, since it is smaller than the sum of its proper divisors (63801864640).

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

40450747040 is a wasteful number, since it uses less digits than its factorization.

40450747040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22983405 (or 22983397 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 35.

The spelling of 40450747040 in words is "forty billion, four hundred fifty million, seven hundred forty-seven thousand, forty".