40453412 has 24 divisors (see below), whose sum is σ = 74342016. Its totient is φ = 19224128.

The previous prime is 40453403. The next prime is 40453423. The reversal of 40453412 is 21435404.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14048 + ... + 16680.

It is an arithmetic number, because the mean of its divisors is an integer number (3097584).

Almost surely, 2^40453412 is an apocalyptic number.

It is an amenable number.

40453412 is a deficient number, since it is larger than the sum of its proper divisors (33888604).

40453412 is a wasteful number, since it uses less digits than its factorization.

40453412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 2825 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40453412 is about 6360.2996784743. The cubic root of 40453412 is about 343.2825433609.

Adding to 40453412 its reverse (21435404), we get a palindrome (61888816).

The spelling of 40453412 in words is "forty million, four hundred fifty-three thousand, four hundred twelve".