1401002010 has 48 divisors (see below), whose sum is σ = 3644484480. Its totient is φ = 373407840.

The previous prime is 1401001997. The next prime is 1401002017. The reversal of 1401002010 is 102001041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1401001983 and 1401002001.

It is not an unprimeable number, because it can be changed into a prime (1401002017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292011 + ... + 296769.

It is an arithmetic number, because the mean of its divisors is an integer number (75926760).

Almost surely, 2^1401002010 is an apocalyptic number.

1401002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401002010 is an abundant number, since it is smaller than the sum of its proper divisors (2243482470).

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

1401002010 is a wasteful number, since it uses less digits than its factorization.

1401002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043 (or 8040 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1401002010 is about 37429.9613945834. The cubic root of 1401002010 is about 1118.9557683164.

Adding to 1401002010 its reverse (102001041), we get a palindrome (1503003051).

The spelling of 1401002010 in words is "one billion, four hundred one million, two thousand, ten".