40477147392 has 288 divisors, whose sum is σ = 122368425984. Its totient is φ = 11766988800.

The previous prime is 40477147391. The next prime is 40477147393. The reversal of 40477147392 is 29374177404.

It is an interprime number because it is at equal distance from previous prime (40477147391) and next prime (40477147393).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (40477147391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33259168 + ... + 33260384.

It is an arithmetic number, because the mean of its divisors is an integer number (424890368).

Almost surely, 2^40477147392 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 40477147392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61184212992).

40477147392 is an abundant number, since it is smaller than the sum of its proper divisors (81891278592).

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

40477147392 is a wasteful number, since it uses less digits than its factorization.

40477147392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 40477147392 in words is "forty billion, four hundred seventy-seven million, one hundred forty-seven thousand, three hundred ninety-two".