40405013453445 has 8 divisors (see below), whose sum is σ = 64648021525536. Its totient is φ = 21549340508496.

The previous prime is 40405013453407. The next prime is 40405013453461. The reversal of 40405013453445 is 54435431050404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40405013453445 - 2¹⁵ = 40405013420677 is a prime.

It is a super-2 number, since 2×40405013453445² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40405013453397 and 40405013453406.

It is a congruent number.

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, 1346833781767 + ... + 1346833781796.

It is an arithmetic number, because the mean of its divisors is an integer number (8081002690692).

Almost surely, 2^{40405013453445} is an apocalyptic number.

It is an amenable number.

40405013453445 is a deficient number, since it is larger than the sum of its proper divisors (24243008072091).

40405013453445 is a wasteful number, since it uses less digits than its factorization.

40405013453445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693667563571.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 40405013453445 in words is "forty trillion, four hundred five billion, thirteen million, four hundred fifty-three thousand, four hundred forty-five".