40587969 has 8 divisors (see below), whose sum is σ = 54236032. Its totient is φ = 26999280.

The previous prime is 40587949. The next prime is 40587973. The reversal of 40587969 is 96978504.

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

It is not a de Polignac number, because 40587969 - 2¹⁵ = 40555201 is a prime.

It is a super-2 number, since 2×40587969² = 3294766455089922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40587949) 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, 13222 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (6779504).

Almost surely, 2^40587969 is an apocalyptic number.

It is an amenable number.

40587969 is a deficient number, since it is larger than the sum of its proper divisors (13648063).

40587969 is a wasteful number, since it uses less digits than its factorization.

40587969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29687.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 40587969 is about 6370.8687790599. The cubic root of 40587969 is about 343.6627333740.

The spelling of 40587969 in words is "forty million, five hundred eighty-seven thousand, nine hundred sixty-nine".