40303405145403 has 32 divisors (see below), whose sum is σ = 59770059148800. Its totient is φ = 26841356873568.

The previous prime is 40303405145359. The next prime is 40303405145413. The reversal of 40303405145403 is 30454150430304.

40303405145403 is a `hidden beast` number, since 4 + 0 + 30 + 34 + 0 + 51 + 4 + 540 + 3 = 666.

It is not a de Polignac number, because 40303405145403 - 2¹⁴ = 40303405129019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40303405145413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148515826 + ... + 148786952.

It is an arithmetic number, because the mean of its divisors is an integer number (1867814348400).

Almost surely, 2^{40303405145403} is an apocalyptic number.

40303405145403 is a deficient number, since it is larger than the sum of its proper divisors (19466654003397).

40303405145403 is a wasteful number, since it uses less digits than its factorization.

40303405145403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276768 (or 276762 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 40303405145403 its reverse (30454150430304), we get a palindrome (70757555575707).

The spelling of 40303405145403 in words is "forty trillion, three hundred three billion, four hundred five million, one hundred forty-five thousand, four hundred three".