403354145407 has 4 divisors (see below), whose sum is σ = 403744615120. Its totient is φ = 402963675696.

The previous prime is 403354145399. The next prime is 403354145443. The reversal of 403354145407 is 704541453304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403354145407 - 2³ = 403354145399 is a prime.

It is a super-2 number, since 2×403354145407² (a number of 24 digits) contains 22 as substring.

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 403354145407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403354140407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195233307 + ... + 195235372.

It is an arithmetic number, because the mean of its divisors is an integer number (100936153780).

Almost surely, 2^403354145407 is an apocalyptic number.

403354145407 is a deficient number, since it is larger than the sum of its proper divisors (390469713).

403354145407 is a wasteful number, since it uses less digits than its factorization.

403354145407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390469712.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 403354145407 in words is "four hundred three billion, three hundred fifty-four million, one hundred forty-five thousand, four hundred seven".