40302420653072 has 10 divisors (see below), whose sum is σ = 78085940015358. Its totient is φ = 20151210326528.

The previous prime is 40302420653071. The next prime is 40302420653093. The reversal of 40302420653072 is 27035602420304.

It can be written as a sum of positive squares in only one way, i.e., 20512058392576 + 19790362260496 = 4529024^2 + 4448636^2 .

It is a super-2 number, since 2×40302420653072² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40302420653071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259450645393 + ... + 1259450645424.

Almost surely, 2^{40302420653072} is an apocalyptic number.

It is an amenable number.

40302420653072 is a deficient number, since it is larger than the sum of its proper divisors (37783519362286).

40302420653072 is a wasteful number, since it uses less digits than its factorization.

40302420653072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518901290825 (or 2518901290819 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 40302420653072 in words is "forty trillion, three hundred two billion, four hundred twenty million, six hundred fifty-three thousand, seventy-two".