40354554 has 32 divisors (see below), whose sum is σ = 83787264. Its totient is φ = 12947760.

The previous prime is 40354553. The next prime is 40354621. The reversal of 40354554 is 45545304.

It is not an unprimeable number, because it can be changed into a prime (40354553) 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, 17217 + ... + 19419.

It is an arithmetic number, because the mean of its divisors is an integer number (2618352).

Almost surely, 2^40354554 is an apocalyptic number.

40354554 is an abundant number, since it is smaller than the sum of its proper divisors (43432710).

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

40354554 is a wasteful number, since it uses less digits than its factorization.

40354554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 40354554 is about 6352.5234356120. The cubic root of 40354554 is about 343.0026831014.

Adding to 40354554 its reverse (45545304), we get a palindrome (85899858).

The spelling of 40354554 in words is "forty million, three hundred fifty-four thousand, five hundred fifty-four".