402405741 has 12 divisors (see below), whose sum is σ = 581439040. Its totient is φ = 268184520.

The previous prime is 402405721. The next prime is 402405743. The reversal of 402405741 is 147504204.

It is not a de Polignac number, because 402405741 - 2¹⁸ = 402143597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402405743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36450 + ... + 46188.

Almost surely, 2^402405741 is an apocalyptic number.

It is an amenable number.

402405741 is a deficient number, since it is larger than the sum of its proper divisors (179033299).

402405741 is a wasteful number, since it uses less digits than its factorization.

402405741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14336 (or 14333 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 402405741 is about 20060.0533648343. The cubic root of 402405741 is about 738.2804858448.

Adding to 402405741 its reverse (147504204), we get a palindrome (549909945).

The spelling of 402405741 in words is "four hundred two million, four hundred five thousand, seven hundred forty-one".