40747499712 has 336 divisors, whose sum is σ = 130976867840. Its totient is φ = 12516498432.

The previous prime is 40747499711. The next prime is 40747499747. The reversal of 40747499712 is 21799474704.

It is a happy number.

40747499712 is a `hidden beast` number, since 40 + 7 + 47 + 499 + 71 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (40747499711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10931193 + ... + 10934919.

Almost surely, 2^40747499712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40747499712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65488433920).

40747499712 is an abundant number, since it is smaller than the sum of its proper divisors (90229368128).

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

40747499712 is a wasteful number, since it uses less digits than its factorization.

40747499712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810 (or 3788 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 40747499712 in words is "forty billion, seven hundred forty-seven million, four hundred ninety-nine thousand, seven hundred twelve".