1401403220410 has 32 divisors (see below), whose sum is σ = 2547654478992. Its totient is φ = 554977804800.

The previous prime is 1401403220383. The next prime is 1401403220471. The reversal of 1401403220410 is 140223041041.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1126606047889 + 274797172521 = 1061417^2 + 524211^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23136124 + ... + 23196616.

Almost surely, 2^{1401403220410} is an apocalyptic number.

1401403220410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401403220410 is a deficient number, since it is larger than the sum of its proper divisors (1146251258582).

1401403220410 is a wasteful number, since it uses less digits than its factorization.

1401403220410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83538.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1401403220410 its reverse (140223041041), we get a palindrome (1541626261451).

The spelling of 1401403220410 in words is "one trillion, four hundred one billion, four hundred three million, two hundred twenty thousand, four hundred ten".