401290462 has 4 divisors (see below), whose sum is σ = 601935696. Its totient is φ = 200645230.

The previous prime is 401290387. The next prime is 401290471. The reversal of 401290462 is 264092104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401290462² = 322068069784346888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401290462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100322614 + ... + 100322617.

It is an arithmetic number, because the mean of its divisors is an integer number (150483924).

Almost surely, 2^401290462 is an apocalyptic number.

401290462 is a deficient number, since it is larger than the sum of its proper divisors (200645234).

401290462 is a wasteful number, since it uses less digits than its factorization.

401290462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200645233.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 401290462 is about 20032.2355716979. The cubic root of 401290462 is about 737.5977996128.

The spelling of 401290462 in words is "four hundred one million, two hundred ninety thousand, four hundred sixty-two".