401546496 has 144 divisors (see below), whose sum is σ = 1183099904. Its totient is φ = 120102912.

The previous prime is 401546491. The next prime is 401546527. The reversal of 401546496 is 694645104.

It is a super-2 number, since 2×401546496² = 322479176899756032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401546491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368865 + ... + 369951.

Almost surely, 2^401546496 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 401546496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591549952).

401546496 is an abundant number, since it is smaller than the sum of its proper divisors (781553408).

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

401546496 is a wasteful number, since it uses less digits than its factorization.

401546496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 401546496 is about 20038.6251025364. The cubic root of 401546496 is about 737.7546352746.

The spelling of 401546496 in words is "four hundred one million, five hundred forty-six thousand, four hundred ninety-six".