40947490544 has 40 divisors (see below), whose sum is σ = 80452506960. Its totient is φ = 20185763328.

The previous prime is 40947490543. The next prime is 40947490547. The reversal of 40947490544 is 44509474904.

It is a junction number, because it is equal to n+sod(n) for n = 40947490492 and 40947490501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40947490543) 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, 4409234 + ... + 4418510.

It is an arithmetic number, because the mean of its divisors is an integer number (2011312674).

Almost surely, 2^40947490544 is an apocalyptic number.

It is an amenable number.

40947490544 is a deficient number, since it is larger than the sum of its proper divisors (39505016416).

40947490544 is a wasteful number, since it uses less digits than its factorization.

40947490544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13137 (or 13131 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 40947490544 in words is "forty billion, nine hundred forty-seven million, four hundred ninety thousand, five hundred forty-four".