1401044474634 has 64 divisors (see below), whose sum is σ = 3431935789056. Its totient is φ = 372545642304.

The previous prime is 1401044474591. The next prime is 1401044474653. The reversal of 1401044474634 is 4364744401041.

It is a happy number.

It is a super-2 number, since 2×1401044474634² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19563672 + ... + 19635155.

It is an arithmetic number, because the mean of its divisors is an integer number (53623996704).

Almost surely, 2^{1401044474634} is an apocalyptic number.

1401044474634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1401044474634 is an abundant number, since it is smaller than the sum of its proper divisors (2030891314422).

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

1401044474634 is a wasteful number, since it uses less digits than its factorization.

1401044474634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39198899.

The product of its (nonzero) digits is 516096, while the sum is 42.

Adding to 1401044474634 its reverse (4364744401041), we get a palindrome (5765788875675).

The spelling of 1401044474634 in words is "one trillion, four hundred one billion, forty-four million, four hundred seventy-four thousand, six hundred thirty-four".