40487655 has 16 divisors (see below), whose sum is σ = 69763680. Its totient is φ = 19932288.

The previous prime is 40487627. The next prime is 40487663. The reversal of 40487655 is 55678404.

It is not a de Polignac number, because 40487655 - 2⁷ = 40487527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103620 + ... + 104009.

It is an arithmetic number, because the mean of its divisors is an integer number (4360230).

Almost surely, 2^40487655 is an apocalyptic number.

40487655 is a deficient number, since it is larger than the sum of its proper divisors (29276025).

40487655 is a wasteful number, since it uses less digits than its factorization.

40487655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207650.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 40487655 is about 6362.9910419550. The cubic root of 40487655 is about 343.3793766342.

The spelling of 40487655 in words is "forty million, four hundred eighty-seven thousand, six hundred fifty-five".