40403038080 has 256 divisors, whose sum is σ = 131577307200. Its totient is φ = 10543104000.

The previous prime is 40403038057. The next prime is 40403038099. The reversal of 40403038080 is 8083030404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17257710 + ... + 17260050.

Almost surely, 2^40403038080 is an apocalyptic number.

40403038080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40403038080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65788653600).

40403038080 is an abundant number, since it is smaller than the sum of its proper divisors (91174269120).

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

40403038080 is a wasteful number, since it uses less digits than its factorization.

40403038080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 40403038080 its reverse (8083030404), we get a palindrome (48486068484).

The spelling of 40403038080 in words is "forty billion, four hundred three million, thirty-eight thousand, eighty".