40252554 has 24 divisors (see below), whose sum is σ = 88320960. Its totient is φ = 13247208.

The previous prime is 40252547. The next prime is 40252561. The reversal of 40252554 is 45525204.

40252554 is a `hidden beast` number, since 402 + 5 + 255 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (40252547) and next prime (40252561).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12732 + ... + 15575.

It is an arithmetic number, because the mean of its divisors is an integer number (3680040).

Almost surely, 2^40252554 is an apocalyptic number.

40252554 is an abundant number, since it is smaller than the sum of its proper divisors (48068406).

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

40252554 is a wasteful number, since it uses less digits than its factorization.

40252554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28394 (or 28391 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 40252554 is about 6344.4900504296. The cubic root of 40252554 is about 342.7134485647.

Adding to 40252554 its reverse (45525204), we get a palindrome (85777758).

The spelling of 40252554 in words is "forty million, two hundred fifty-two thousand, five hundred fifty-four".