40773557 has 8 divisors (see below), whose sum is σ = 45565632. Its totient is φ = 36162400.

The previous prime is 40773553. The next prime is 40773613. The reversal of 40773557 is 75537704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40773557 - 2² = 40773553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40773557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40773553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44753 + ... + 45654.

It is an arithmetic number, because the mean of its divisors is an integer number (5695704).

Almost surely, 2^40773557 is an apocalyptic number.

It is an amenable number.

40773557 is a deficient number, since it is larger than the sum of its proper divisors (4792075).

40773557 is a wasteful number, since it uses less digits than its factorization.

40773557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90459.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 40773557 is about 6385.4175274605. The cubic root of 40773557 is about 344.1857349474.

The spelling of 40773557 in words is "forty million, seven hundred seventy-three thousand, five hundred fifty-seven".