40997539862 has 4 divisors (see below), whose sum is σ = 61496309796. Its totient is φ = 20498769930.

The previous prime is 40997539861. The next prime is 40997539873. The reversal of 40997539862 is 26893579904.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40997539795 and 40997539804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40997539861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10249384964 + ... + 10249384967.

It is an arithmetic number, because the mean of its divisors is an integer number (15374077449).

Almost surely, 2^40997539862 is an apocalyptic number.

40997539862 is a deficient number, since it is larger than the sum of its proper divisors (20498769934).

40997539862 is a wasteful number, since it uses less digits than its factorization.

40997539862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20498769933.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 40997539862 in words is "forty billion, nine hundred ninety-seven million, five hundred thirty-nine thousand, eight hundred sixty-two".