1401055645420 has 24 divisors (see below), whose sum is σ = 2946103567344. Its totient is φ = 559681932096.

The previous prime is 1401055645411. The next prime is 1401055645499. The reversal of 1401055645420 is 245465501041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401055645420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46254862 + ... + 46285141.

It is an arithmetic number, because the mean of its divisors is an integer number (122754315306).

Almost surely, 2^{1401055645420} is an apocalyptic number.

1401055645420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401055645420 is an abundant number, since it is smaller than the sum of its proper divisors (1545047921924).

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

1401055645420 is a wasteful number, since it uses less digits than its factorization.

1401055645420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92540769 (or 92540767 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 1401055645420 in words is "one trillion, four hundred one billion, fifty-five million, six hundred forty-five thousand, four hundred twenty".