401302140 has 48 divisors (see below), whose sum is σ = 1124783520. Its totient is φ = 106905600.

The previous prime is 401302117. The next prime is 401302151. The reversal of 401302140 is 41203104.

It is a super-2 number, since 2×401302140² = 322086815137159200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 69276 + ... + 74844.

It is an arithmetic number, because the mean of its divisors is an integer number (23432990).

Almost surely, 2^401302140 is an apocalyptic number.

It is an amenable number.

401302140 is an abundant number, since it is smaller than the sum of its proper divisors (723481380).

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

401302140 is a wasteful number, since it uses less digits than its factorization.

401302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782 (or 6780 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401302140 is about 20032.5270497758. The cubic root of 401302140 is about 737.6049545163.

Adding to 401302140 its reverse (41203104), we get a palindrome (442505244).

The spelling of 401302140 in words is "four hundred one million, three hundred two thousand, one hundred forty".