920400052405 has 8 divisors (see below), whose sum is σ = 1120964840352. Its totient is φ = 725330190288.

The previous prime is 920400052393. The next prime is 920400052421. The reversal of 920400052405 is 504250004029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920400052405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373731087 + ... + 1373731756.

It is an arithmetic number, because the mean of its divisors is an integer number (140120605044).

Almost surely, 2^920400052405 is an apocalyptic number.

It is an amenable number.

920400052405 is a deficient number, since it is larger than the sum of its proper divisors (200564787947).

920400052405 is a wasteful number, since it uses less digits than its factorization.

920400052405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747462915.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 920400052405 in words is "nine hundred twenty billion, four hundred million, fifty-two thousand, four hundred five".