401356326 has 32 divisors (see below), whose sum is σ = 930313728. Its totient is φ = 113057280.

The previous prime is 401356309. The next prime is 401356343. The reversal of 401356326 is 623653104.

It is an interprime number because it is at equal distance from previous prime (401356309) and next prime (401356343).

It is a super-2 number, since 2×401356326² = 322173800840436552, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401356293 and 401356302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64315 + ... + 70278.

It is an arithmetic number, because the mean of its divisors is an integer number (29072304).

Almost surely, 2^401356326 is an apocalyptic number.

401356326 is an abundant number, since it is smaller than the sum of its proper divisors (528957402).

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

401356326 is a wasteful number, since it uses less digits than its factorization.

401356326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134676.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 401356326 is about 20033.8794545640. The cubic root of 401356326 is about 737.6381515013.

The spelling of 401356326 in words is "four hundred one million, three hundred fifty-six thousand, three hundred twenty-six".