40135554 has 16 divisors (see below), whose sum is σ = 89190240. Its totient is φ = 13378500.

The previous prime is 40135549. The next prime is 40135573. The reversal of 40135554 is 45553104.

It is a super-2 number, since 2×40135554² = 3221725389773832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 371572 + ... + 371679.

It is an arithmetic number, because the mean of its divisors is an integer number (5574390).

Almost surely, 2^40135554 is an apocalyptic number.

40135554 is an abundant number, since it is smaller than the sum of its proper divisors (49054686).

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

40135554 is a wasteful number, since it uses less digits than its factorization.

40135554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743262 (or 743256 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 40135554 is about 6335.2627411971. The cubic root of 40135554 is about 342.3810772235.

Adding to 40135554 its reverse (45553104), we get a palindrome (85688658).

The spelling of 40135554 in words is "forty million, one hundred thirty-five thousand, five hundred fifty-four".