40554120 has 64 divisors (see below), whose sum is σ = 122149440. Its totient is φ = 10771200.

The previous prime is 40554079. The next prime is 40554121. The reversal of 40554120 is 2145504.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40554121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39210 + ... + 40230.

It is an arithmetic number, because the mean of its divisors is an integer number (1908585).

Almost surely, 2^40554120 is an apocalyptic number.

40554120 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 40554120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61074720).

40554120 is an abundant number, since it is smaller than the sum of its proper divisors (81595320).

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

40554120 is a wasteful number, since it uses less digits than its factorization.

40554120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40554120 is about 6368.2116798988. The cubic root of 40554120 is about 343.5671724201.

Adding to 40554120 its reverse (2145504), we get a palindrome (42699624).

The spelling of 40554120 in words is "forty million, five hundred fifty-four thousand, one hundred twenty".