142401631040 has 28 divisors (see below), whose sum is σ = 339093884676. Its totient is φ = 56960652288.

The previous prime is 142401631019. The next prime is 142401631069. The reversal of 142401631040 is 40136104241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106213417216 + 36188213824 = 325904^2 + 190232^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222502229 + ... + 222502868.

Almost surely, 2^142401631040 is an apocalyptic number.

142401631040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142401631040 is an abundant number, since it is smaller than the sum of its proper divisors (196692253636).

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

142401631040 is an equidigital number, since it uses as much as digits as its factorization.

142401631040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445005114 (or 445005104 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 142401631040 its reverse (40136104241), we get a palindrome (182537735281).

The spelling of 142401631040 in words is "one hundred forty-two billion, four hundred one million, six hundred thirty-one thousand, forty".