40346520 has 32 divisors (see below), whose sum is σ = 121039920. Its totient is φ = 10759040.

The previous prime is 40346497. The next prime is 40346521. The reversal of 40346520 is 2564304.

40346520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40346520² = 3255683352220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40346521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167991 + ... + 168230.

Almost surely, 2^40346520 is an apocalyptic number.

40346520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40346520 is an abundant number, since it is smaller than the sum of its proper divisors (80693400).

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

40346520 is a wasteful number, since it uses less digits than its factorization.

40346520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336235 (or 336231 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40346520 is about 6351.8910570003. The cubic root of 40346520 is about 342.9799193224.

The spelling of 40346520 in words is "forty million, three hundred forty-six thousand, five hundred twenty".