40403400073407 has 128 divisors (see below), whose sum is σ = 72034195968000. Its totient is φ = 21882223706112.

The previous prime is 40403400073369. The next prime is 40403400073457. The reversal of 40403400073407 is 70437000430404.

It is not a de Polignac number, because 40403400073407 - 2¹² = 40403400069311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40403400073457) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2136267183 + ... + 2136286095.

It is an arithmetic number, because the mean of its divisors is an integer number (562767156000).

Almost surely, 2^{40403400073407} is an apocalyptic number.

40403400073407 is a deficient number, since it is larger than the sum of its proper divisors (31630795894593).

40403400073407 is a wasteful number, since it uses less digits than its factorization.

40403400073407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23414 (or 23408 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 36.

The spelling of 40403400073407 in words is "forty trillion, four hundred three billion, four hundred million, seventy-three thousand, four hundred seven".