40742056125 has 48 divisors (see below), whose sum is σ = 75813583872. Its totient is φ = 21028140000.

The previous prime is 40742056081. The next prime is 40742056139. The reversal of 40742056125 is 52165024704.

It is a happy number.

40742056125 is a `hidden beast` number, since 4 + 0 + 74 + 2 + 0 + 561 + 25 = 666.

It is not a de Polignac number, because 40742056125 - 2¹³ = 40742047933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40742056125.

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, 549241 + ... + 618990.

It is an arithmetic number, because the mean of its divisors is an integer number (1579449664).

Almost surely, 2^40742056125 is an apocalyptic number.

40742056125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40742056125 is a deficient number, since it is larger than the sum of its proper divisors (35071527747).

40742056125 is a wasteful number, since it uses less digits than its factorization.

40742056125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168283 (or 1168270 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 40742056125 in words is "forty billion, seven hundred forty-two million, fifty-six thousand, one hundred twenty-five".