40246587 has 12 divisors (see below), whose sum is σ = 60009664. Its totient is φ = 25965360.

The previous prime is 40246571. The next prime is 40246603. The reversal of 40246587 is 78564204.

It is an interprime number because it is at equal distance from previous prime (40246571) and next prime (40246603).

It is not a de Polignac number, because 40246587 - 2⁴ = 40246571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40246517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71848 + ... + 72405.

Almost surely, 2^40246587 is an apocalyptic number.

40246587 is a deficient number, since it is larger than the sum of its proper divisors (19763077).

40246587 is a wasteful number, since it uses less digits than its factorization.

40246587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144290 (or 144287 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 40246587 is about 6344.0197824408. The cubic root of 40246587 is about 342.6965132235.

The spelling of 40246587 in words is "forty million, two hundred forty-six thousand, five hundred eighty-seven".