40247417380 has 36 divisors (see below), whose sum is σ = 89783784468. Its totient is φ = 15151966720.

The previous prime is 40247417377. The next prime is 40247417387. The reversal of 40247417380 is 8371474204.

It can be written as a sum of positive squares in 6 ways, for example, as 292204836 + 39955212544 = 17094^2 + 199888^2 .

It is not an unprimeable number, because it can be changed into a prime (40247417387) 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, 3475831 + ... + 3487390.

It is an arithmetic number, because the mean of its divisors is an integer number (2493994013).

Almost surely, 2^40247417380 is an apocalyptic number.

It is an amenable number.

40247417380 is an abundant number, since it is smaller than the sum of its proper divisors (49536367088).

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

40247417380 is a wasteful number, since it uses less digits than its factorization.

40247417380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963264 (or 6963245 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 40247417380 in words is "forty billion, two hundred forty-seven million, four hundred seventeen thousand, three hundred eighty".