4040400740 has 48 divisors (see below), whose sum is σ = 8723914752. Its totient is φ = 1570720896.

The previous prime is 4040400739. The next prime is 4040400743. The reversal of 4040400740 is 470040404.

It is not an unprimeable number, because it can be changed into a prime (4040400743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801869 + ... + 806891.

It is an arithmetic number, because the mean of its divisors is an integer number (181748224).

Almost surely, 2^4040400740 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 4040400740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4361957376).

4040400740 is an abundant number, since it is smaller than the sum of its proper divisors (4683514012).

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

4040400740 is a wasteful number, since it uses less digits than its factorization.

4040400740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156 (or 6154 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 4040400740 is about 63564.1466551703. The cubic root of 4040400740 is about 1592.7275073856.

The spelling of 4040400740 in words is "four billion, forty million, four hundred thousand, seven hundred forty".