40554380 has 12 divisors (see below), whose sum is σ = 85164240. Its totient is φ = 16221744.

The previous prime is 40554377. The next prime is 40554389. The reversal of 40554380 is 8345504.

It is not an unprimeable number, because it can be changed into a prime (40554389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013840 + ... + 1013879.

It is an arithmetic number, because the mean of its divisors is an integer number (7097020).

Almost surely, 2^40554380 is an apocalyptic number.

It is an amenable number.

40554380 is an abundant number, since it is smaller than the sum of its proper divisors (44609860).

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

40554380 is a wasteful number, since it uses less digits than its factorization.

40554380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027728 (or 2027726 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40554380 is about 6368.2320937604. The cubic root of 40554380 is about 343.5679066428.

Adding to 40554380 its reverse (8345504), we get a palindrome (48899884).

The spelling of 40554380 in words is "forty million, five hundred fifty-four thousand, three hundred eighty".