40155011950 has 24 divisors (see below), whose sum is σ = 74796473880. Its totient is φ = 16038746400.

The previous prime is 40155011933. The next prime is 40155011951. The reversal of 40155011950 is 5911055104.

It is a super-2 number, since 2×40155011950² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155011951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546565 + ... + 615664.

It is an arithmetic number, because the mean of its divisors is an integer number (3116519745).

Almost surely, 2^40155011950 is an apocalyptic number.

40155011950 is a deficient number, since it is larger than the sum of its proper divisors (34641461930).

40155011950 is a wasteful number, since it uses less digits than its factorization.

40155011950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162932 (or 1162927 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 40155011950 in words is "forty billion, one hundred fifty-five million, eleven thousand, nine hundred fifty".