40708432320 has 448 divisors, whose sum is σ = 138503070720. Its totient is φ = 10108403712.

The previous prime is 40708432301. The next prime is 40708432321. The reversal of 40708432320 is 2323480704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40708432321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 177765966 + ... + 177766194.

It is an arithmetic number, because the mean of its divisors is an integer number (309158640).

Almost surely, 2^40708432320 is an apocalyptic number.

40708432320 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 40708432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69251535360).

40708432320 is an abundant number, since it is smaller than the sum of its proper divisors (97794638400).

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

40708432320 is a wasteful number, since it uses less digits than its factorization.

40708432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The spelling of 40708432320 in words is "forty billion, seven hundred eight million, four hundred thirty-two thousand, three hundred twenty".