401831049048 has 256 divisors, whose sum is σ = 1249913548800. Its totient is φ = 105907253760.

The previous prime is 401831049047. The next prime is 401831049089. The reversal of 401831049048 is 840940138104.

It is a super-2 number, since 2×401831049048² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401831049043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5250723 + ... + 5326701.

It is an arithmetic number, because the mean of its divisors is an integer number (4882474800).

Almost surely, 2^401831049048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401831049048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624956774400).

401831049048 is an abundant number, since it is smaller than the sum of its proper divisors (848082499752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401831049048 is a wasteful number, since it uses less digits than its factorization.

401831049048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76102 (or 76098 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 401831049048 in words is "four hundred one billion, eight hundred thirty-one million, forty-nine thousand, forty-eight".