1401059109540 has 96 divisors (see below), whose sum is σ = 4029758377344. Its totient is φ = 363448857600.

The previous prime is 1401059109509. The next prime is 1401059109547. The reversal of 1401059109540 is 459019501041.

It is not an unprimeable number, because it can be changed into a prime (1401059109547) 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, 12168240 + ... + 12282840.

It is an arithmetic number, because the mean of its divisors is an integer number (41976649764).

Almost surely, 2^{1401059109540} is an apocalyptic number.

1401059109540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401059109540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2014879188672).

1401059109540 is an abundant number, since it is smaller than the sum of its proper divisors (2628699267804).

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

1401059109540 is a wasteful number, since it uses less digits than its factorization.

1401059109540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120157 (or 120155 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 1401059109540 in words is "one trillion, four hundred one billion, fifty-nine million, one hundred nine thousand, five hundred forty".