40789551 has 16 divisors (see below), whose sum is σ = 59437440. Its totient is φ = 24676320.

The previous prime is 40789537. The next prime is 40789559. The reversal of 40789551 is 15598704.

It is not a de Polignac number, because 40789551 - 2⁶ = 40789487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40789559) 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, 33021 + ... + 34233.

It is an arithmetic number, because the mean of its divisors is an integer number (3714840).

Almost surely, 2^40789551 is an apocalyptic number.

40789551 is a deficient number, since it is larger than the sum of its proper divisors (18647889).

40789551 is a wasteful number, since it uses less digits than its factorization.

40789551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 40789551 is about 6386.6697894912. The cubic root of 40789551 is about 344.2307329593.

The spelling of 40789551 in words is "forty million, seven hundred eighty-nine thousand, five hundred fifty-one".