40554612 has 72 divisors (see below), whose sum is σ = 122269056. Its totient is φ = 11081664.

The previous prime is 40554611. The next prime is 40554623. The reversal of 40554612 is 21645504.

40554612 is a `hidden beast` number, since 40 + 5 + 5 + 4 + 612 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40554611) 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, 2298 + ... + 9294.

Almost surely, 2^40554612 is an apocalyptic number.

40554612 is a gapful number since it is divisible by the number (42) 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 40554612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61134528).

40554612 is an abundant number, since it is smaller than the sum of its proper divisors (81714444).

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

40554612 is a wasteful number, since it uses less digits than its factorization.

40554612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037 (or 7032 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40554612 is about 6368.2503091509. The cubic root of 40554612 is about 343.5685617928.

The spelling of 40554612 in words is "forty million, five hundred fifty-four thousand, six hundred twelve".