1420402531140 has 144 divisors (see below), whose sum is σ = 4316035756032. Its totient is φ = 378116944128.

The previous prime is 1420402531133. The next prime is 1420402531153. The reversal of 1420402531140 is 411352040241.

1420402531140 is a `hidden beast` number, since 142 + 0 + 402 + 5 + 3 + 114 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467697702 + ... + 467700738.

It is an arithmetic number, because the mean of its divisors is an integer number (29972470528).

Almost surely, 2^{1420402531140} is an apocalyptic number.

1420402531140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420402531140 is an abundant number, since it is smaller than the sum of its proper divisors (2895633224892).

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

1420402531140 is a wasteful number, since it uses less digits than its factorization.

1420402531140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706 (or 6701 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1420402531140 its reverse (411352040241), we get a palindrome (1831754571381).

The spelling of 1420402531140 in words is "one trillion, four hundred twenty billion, four hundred two million, five hundred thirty-one thousand, one hundred forty".