401421012462 has 64 divisors (see below), whose sum is σ = 922980744000. Its totient is φ = 129168635904.

The previous prime is 401421012439. The next prime is 401421012463. The reversal of 401421012462 is 264210124104.

401421012462 is a `hidden beast` number, since 40 + 142 + 10 + 12 + 462 = 666.

It is a super-2 number, since 2×401421012462² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401421012463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9489214 + ... + 9531422.

It is an arithmetic number, because the mean of its divisors is an integer number (14421574125).

Almost surely, 2^401421012462 is an apocalyptic number.

401421012462 is an abundant number, since it is smaller than the sum of its proper divisors (521559731538).

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

401421012462 is a wasteful number, since it uses less digits than its factorization.

401421012462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48322 (or 48316 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 401421012462 its reverse (264210124104), we get a palindrome (665631136566).

The spelling of 401421012462 in words is "four hundred one billion, four hundred twenty-one million, twelve thousand, four hundred sixty-two".