401453624 has 64 divisors (see below), whose sum is σ = 893168640. Its totient is φ = 166757760.

The previous prime is 401453617. The next prime is 401453651. The reversal of 401453624 is 426354104.

It is a super-2 number, since 2×401453624² = 322330024445466752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116129 + ... + 119535.

It is an arithmetic number, because the mean of its divisors is an integer number (13955760).

Almost surely, 2^401453624 is an apocalyptic number.

401453624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401453624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446584320).

401453624 is an abundant number, since it is smaller than the sum of its proper divisors (491715016).

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

401453624 is a wasteful number, since it uses less digits than its factorization.

401453624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3536 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 401453624 is about 20036.3076438749. The cubic root of 401453624 is about 737.6977535003.

The spelling of 401453624 in words is "four hundred one million, four hundred fifty-three thousand, six hundred twenty-four".