40427306316 has 72 divisors (see below), whose sum is σ = 107863508480. Its totient is φ = 12731652576.

The previous prime is 40427306303. The next prime is 40427306317. The reversal of 40427306316 is 61360372404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40427306317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170505 + ... + 331551.

Almost surely, 2^40427306316 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 40427306316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53931754240).

40427306316 is an abundant number, since it is smaller than the sum of its proper divisors (67436202164).

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

40427306316 is a wasteful number, since it uses less digits than its factorization.

40427306316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161443 (or 161438 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 40427306316 in words is "forty billion, four hundred twenty-seven million, three hundred six thousand, three hundred sixteen".