40177953 has 48 divisors (see below), whose sum is σ = 65235456. Its totient is φ = 23708160.

The previous prime is 40177933. The next prime is 40177979. The reversal of 40177953 is 35977104.

It is a happy number.

It is not a de Polignac number, because 40177953 - 2¹⁸ = 39915809 is a prime.

It is a super-2 number, since 2×40177953² = 3228535814540418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40177933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203851 + ... + 204047.

It is an arithmetic number, because the mean of its divisors is an integer number (1359072).

Almost surely, 2^40177953 is an apocalyptic number.

40177953 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40177953 is a deficient number, since it is larger than the sum of its proper divisors (25057503).

40177953 is a wasteful number, since it uses less digits than its factorization.

40177953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 40177953 is about 6338.6081279726. The cubic root of 40177953 is about 342.5015980177.

The spelling of 40177953 in words is "forty million, one hundred seventy-seven thousand, nine hundred fifty-three".