40073370370381 has 2 divisors, whose sum is σ = 40073370370382. Its totient is φ = 40073370370380.

The previous prime is 40073370370367. The next prime is 40073370370409. The reversal of 40073370370381 is 18307307337004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38238269364100 + 1835101006281 = 6183710^2 + 1354659^2 .

It is a cyclic number.

It is not a de Polignac number, because 40073370370381 - 2³¹ = 40071222886733 is a prime.

It is a super-2 number, since 2×40073370370381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40073370350381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20036685185190 + 20036685185191.

It is an arithmetic number, because the mean of its divisors is an integer number (20036685185191).

Almost surely, 2^{40073370370381} is an apocalyptic number.

It is an amenable number.

40073370370381 is a deficient number, since it is larger than the sum of its proper divisors (1).

40073370370381 is an equidigital number, since it uses as much as digits as its factorization.

40073370370381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 40073370370381 in words is "forty trillion, seventy-three billion, three hundred seventy million, three hundred seventy thousand, three hundred eighty-one".