40261447761015 has 64 divisors (see below), whose sum is σ = 70749144869760. Its totient is φ = 19428704655360.

The previous prime is 40261447760999. The next prime is 40261447761071. The reversal of 40261447761015 is 51016774416204.

It is not a de Polignac number, because 40261447761015 - 2⁴ = 40261447760999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9129601 + ... + 12801269.

It is an arithmetic number, because the mean of its divisors is an integer number (1105455388590).

Almost surely, 2^{40261447761015} is an apocalyptic number.

40261447761015 is a deficient number, since it is larger than the sum of its proper divisors (30487697108745).

40261447761015 is a wasteful number, since it uses less digits than its factorization.

40261447761015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672804.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 40261447761015 in words is "forty trillion, two hundred sixty-one billion, four hundred forty-seven million, seven hundred sixty-one thousand, fifteen".