40987048347949 has 64 divisors (see below), whose sum is σ = 49255712133120. Its totient is φ = 33682512199680.

The previous prime is 40987048347941. The next prime is 40987048347991. The reversal of 40987048347949 is 94974384078904.

It is not a de Polignac number, because 40987048347949 - 2³ = 40987048347941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40987048347941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 299135434 + ... + 299272420.

It is an arithmetic number, because the mean of its divisors is an integer number (769620502080).

Almost surely, 2^{40987048347949} is an apocalyptic number.

It is an amenable number.

40987048347949 is a deficient number, since it is larger than the sum of its proper divisors (8268663785171).

40987048347949 is a wasteful number, since it uses less digits than its factorization.

40987048347949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137698.

The product of its (nonzero) digits is 1755758592, while the sum is 76.

The spelling of 40987048347949 in words is "forty trillion, nine hundred eighty-seven billion, forty-eight million, three hundred forty-seven thousand, nine hundred forty-nine".