400648465229 has 8 divisors (see below), whose sum is σ = 402502366080. Its totient is φ = 398796044416.

The previous prime is 400648465223. The next prime is 400648465241. The reversal of 400648465229 is 922564846004.

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

It is a cyclic number.

It is not a de Polignac number, because 400648465229 - 2¹⁶ = 400648399693 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 (400648465223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174494 + ... + 912000.

It is an arithmetic number, because the mean of its divisors is an integer number (50312795760).

Almost surely, 2^400648465229 is an apocalyptic number.

It is an amenable number.

400648465229 is a deficient number, since it is larger than the sum of its proper divisors (1853900851).

400648465229 is a wasteful number, since it uses less digits than its factorization.

400648465229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740019.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 400648465229 in words is "four hundred billion, six hundred forty-eight million, four hundred sixty-five thousand, two hundred twenty-nine".