40157761948 has 12 divisors (see below), whose sum is σ = 72699396840. Its totient is φ = 19386505712.

The previous prime is 40157761909. The next prime is 40157761991. The reversal of 40157761948 is 84916775104.

It is a happy number.

40157761948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40157761948² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40157761895 and 40157761904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173093686 + ... + 173093917.

It is an arithmetic number, because the mean of its divisors is an integer number (6058283070).

Almost surely, 2^40157761948 is an apocalyptic number.

It is an amenable number.

40157761948 is a deficient number, since it is larger than the sum of its proper divisors (32541634892).

40157761948 is a wasteful number, since it uses less digits than its factorization.

40157761948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346187636 (or 346187634 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 40157761948 in words is "forty billion, one hundred fifty-seven million, seven hundred sixty-one thousand, nine hundred forty-eight".