40355501 has 16 divisors (see below), whose sum is σ = 46137600. Its totient is φ = 35067648.

The previous prime is 40355489. The next prime is 40355519. The reversal of 40355501 is 10555304.

It is a cyclic number.

It is not a de Polignac number, because 40355501 - 2²² = 36161197 is a prime.

It is a super-2 number, since 2×40355501² = 3257132921922002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40355531) 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, 9560 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (2883600).

Almost surely, 2^40355501 is an apocalyptic number.

It is an amenable number.

40355501 is a deficient number, since it is larger than the sum of its proper divisors (5782099).

40355501 is a wasteful number, since it uses less digits than its factorization.

40355501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 40355501 is about 6352.5979724834. The cubic root of 40355501 is about 343.0053661608.

The spelling of 40355501 in words is "forty million, three hundred fifty-five thousand, five hundred one".