40009087388770 has 16 divisors (see below), whose sum is σ = 72018619054200. Its totient is φ = 16003132343424.

The previous prime is 40009087388713. The next prime is 40009087388791. The reversal of 40009087388770 is 7788378090004.

It can be written as a sum of positive squares in 4 ways, for example, as 32236583886529 + 7772503502241 = 5677727^2 + 2787921^2 .

It is a super-2 number, since 2×40009087388770² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40009087388699 and 40009087388708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62492097 + ... + 63129076.

Almost surely, 2^{40009087388770} is an apocalyptic number.

40009087388770 is a deficient number, since it is larger than the sum of its proper divisors (32009531665430).

40009087388770 is a wasteful number, since it uses less digits than its factorization.

40009087388770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125653029.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 40009087388770 in words is "forty trillion, nine billion, eighty-seven million, three hundred eighty-eight thousand, seven hundred seventy".