40987201583 has 16 divisors (see below), whose sum is σ = 42522243072. Its totient is φ = 39465900000.

The previous prime is 40987201561. The next prime is 40987201621. The reversal of 40987201583 is 38510278904.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40987201583 - 2⁸ = 40987201327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40987201553) 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, 6585413 + ... + 6591633.

It is an arithmetic number, because the mean of its divisors is an integer number (2657640192).

Almost surely, 2^40987201583 is an apocalyptic number.

40987201583 is a deficient number, since it is larger than the sum of its proper divisors (1535041489).

40987201583 is a wasteful number, since it uses less digits than its factorization.

40987201583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 40987201583 in words is "forty billion, nine hundred eighty-seven million, two hundred one thousand, five hundred eighty-three".