40313724 has 24 divisors (see below), whose sum is σ = 102617088. Its totient is φ = 12216240.

The previous prime is 40313723. The next prime is 40313743. The reversal of 40313724 is 42731304.

It is a junction number, because it is equal to n+sod(n) for n = 40313694 and 40313703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152572 + ... + 152835.

It is an arithmetic number, because the mean of its divisors is an integer number (4275712).

Almost surely, 2^40313724 is an apocalyptic number.

40313724 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40313724 is an abundant number, since it is smaller than the sum of its proper divisors (62303364).

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

40313724 is a wasteful number, since it uses less digits than its factorization.

40313724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305425 (or 305423 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40313724 is about 6349.3089387744. The cubic root of 40313724 is about 342.8869627833.

The spelling of 40313724 in words is "forty million, three hundred thirteen thousand, seven hundred twenty-four".