40997725240 has 32 divisors (see below), whose sum is σ = 92255549760. Its totient is φ = 16397193600.

The previous prime is 40997725229. The next prime is 40997725243. The reversal of 40997725240 is 4252779904.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40997725243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321070 + ... + 430210.

It is an arithmetic number, because the mean of its divisors is an integer number (2882985930).

Almost surely, 2^40997725240 is an apocalyptic number.

40997725240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40997725240 is an abundant number, since it is smaller than the sum of its proper divisors (51257824520).

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

40997725240 is a wasteful number, since it uses less digits than its factorization.

40997725240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118543 (or 118539 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 40997725240 in words is "forty billion, nine hundred ninety-seven million, seven hundred twenty-five thousand, two hundred forty".