40547400 has 48 divisors (see below), whose sum is σ = 125698800. Its totient is φ = 10812480.

The previous prime is 40547399. The next prime is 40547407. The reversal of 40547400 is 474504.

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

It is not an unprimeable number, because it can be changed into a prime (40547407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33190 + ... + 34389.

It is an arithmetic number, because the mean of its divisors is an integer number (2618725).

Almost surely, 2^40547400 is an apocalyptic number.

40547400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40547400 is an abundant number, since it is smaller than the sum of its proper divisors (85151400).

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

40547400 is a wasteful number, since it uses less digits than its factorization.

40547400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67598 (or 67589 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 40547400 is about 6367.6840373875. The cubic root of 40547400 is about 343.5481944968.

The spelling of 40547400 in words is "forty million, five hundred forty-seven thousand, four hundred".