40450941720 has 192 divisors, whose sum is σ = 159084544320. Its totient is φ = 8702042112.

The previous prime is 40450941709. The next prime is 40450941757. The reversal of 40450941720 is 2714905404.

It is a happy number.

40450941720 is a `hidden beast` number, since 40 + 4 + 509 + 41 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429277 + ... + 514956.

It is an arithmetic number, because the mean of its divisors is an integer number (828565335).

Almost surely, 2^40450941720 is an apocalyptic number.

40450941720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40450941720 is an abundant number, since it is smaller than the sum of its proper divisors (118633602600).

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

40450941720 is a wasteful number, since it uses less digits than its factorization.

40450941720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944274 (or 944267 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 40450941720 in words is "forty billion, four hundred fifty million, nine hundred forty-one thousand, seven hundred twenty".