1401327642550 has 192 divisors, whose sum is σ = 3050804736000. Its totient is φ = 473513040000.

The previous prime is 1401327642497. The next prime is 1401327642551. The reversal of 1401327642550 is 552467231041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401327642551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 147643305 + ... + 147652795.

It is an arithmetic number, because the mean of its divisors is an integer number (15889608000).

Almost surely, 2^{1401327642550} is an apocalyptic number.

1401327642550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401327642550 is an abundant number, since it is smaller than the sum of its proper divisors (1649477093450).

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

1401327642550 is a wasteful number, since it uses less digits than its factorization.

1401327642550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803 (or 9798 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 1401327642550 in words is "one trillion, four hundred one billion, three hundred twenty-seven million, six hundred forty-two thousand, five hundred fifty".