40370040070405 has 16 divisors (see below), whose sum is σ = 50596623757440. Its totient is φ = 30890570277312.

The previous prime is 40370040070397. The next prime is 40370040070417. The reversal of 40370040070405 is 50407004007304.

It is a cyclic number.

It is not a de Polignac number, because 40370040070405 - 2³ = 40370040070397 is a prime.

It is a super-2 number, since 2×40370040070405² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1849280889 + ... + 1849302718.

It is an arithmetic number, because the mean of its divisors is an integer number (3162288984840).

Almost surely, 2^{40370040070405} is an apocalyptic number.

It is an amenable number.

40370040070405 is a deficient number, since it is larger than the sum of its proper divisors (10226583687035).

40370040070405 is a wasteful number, since it uses less digits than its factorization.

40370040070405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698583708.

The product of its (nonzero) digits is 47040, while the sum is 34.

Adding to 40370040070405 its reverse (50407004007304), we get a palindrome (90777044077709).

The spelling of 40370040070405 in words is "forty trillion, three hundred seventy billion, forty million, seventy thousand, four hundred five".