7403400407 has 12 divisors (see below), whose sum is σ = 8438635080. Its totient is φ = 6474225888.

The previous prime is 7403400307. The next prime is 7403400409. The reversal of 7403400407 is 7040043047.

It is not a de Polignac number, because 7403400407 - 2¹² = 7403396311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7403400407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7403400409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1149608 + ... + 1156029.

It is an arithmetic number, because the mean of its divisors is an integer number (703219590).

Almost surely, 2^7403400407 is an apocalyptic number.

7403400407 is a deficient number, since it is larger than the sum of its proper divisors (1035234673).

7403400407 is a wasteful number, since it uses less digits than its factorization.

7403400407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305682 (or 2305669 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 7403400407 is about 86043.0148646594. The cubic root of 7403400407 is about 1948.9935992014.

The spelling of 7403400407 in words is "seven billion, four hundred three million, four hundred thousand, four hundred seven".