40546520 has 96 divisors (see below), whose sum is σ = 107606880. Its totient is φ = 13708800.

The previous prime is 40546501. The next prime is 40546523. The reversal of 40546520 is 2564504.

It is a super-2 number, since 2×40546520² = 3288040568220800, which contains 22 as substring.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 40546520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40546523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268445 + ... + 268595.

It is an arithmetic number, because the mean of its divisors is an integer number (1120905).

Almost surely, 2^40546520 is an apocalyptic number.

40546520 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 40546520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53803440).

40546520 is an abundant number, since it is smaller than the sum of its proper divisors (67060360).

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

40546520 is a wasteful number, since it uses less digits than its factorization.

40546520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40546520 is about 6367.6149381067. The cubic root of 40546520 is about 343.5457091373.

The spelling of 40546520 in words is "forty million, five hundred forty-six thousand, five hundred twenty".