40137237621075 has 48 divisors (see below), whose sum is σ = 77890003093760. Its totient is φ = 17852547381120.

The previous prime is 40137237621073. The next prime is 40137237621083. The reversal of 40137237621075 is 57012673273104.

It is not a de Polignac number, because 40137237621075 - 2¹ = 40137237621073 is a prime.

It is a super-3 number, since 3×40137237621075³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40137237621073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1033114105 + ... + 1033152954.

Almost surely, 2^{40137237621075} is an apocalyptic number.

40137237621075 is a deficient number, since it is larger than the sum of its proper divisors (37752765472685).

40137237621075 is a wasteful number, since it uses less digits than its factorization.

40137237621075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066267116 (or 2066267111 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 40137237621075 in words is "forty trillion, one hundred thirty-seven billion, two hundred thirty-seven million, six hundred twenty-one thousand, seventy-five".