1010400042015 has 96 divisors (see below), whose sum is σ = 2190857026176. Its totient is φ = 419376890880.

The previous prime is 1010400041977. The next prime is 1010400042059. The reversal of 1010400042015 is 5102400040101.

It is not a de Polignac number, because 1010400042015 - 2¹¹ = 1010400039967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1772664 + ... + 2272253.

It is an arithmetic number, because the mean of its divisors is an integer number (22821427356).

Almost surely, 2^{1010400042015} is an apocalyptic number.

1010400042015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1010400042015 is an abundant number, since it is smaller than the sum of its proper divisors (1180456984161).

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

1010400042015 is a wasteful number, since it uses less digits than its factorization.

1010400042015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045009 (or 4045006 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 1010400042015 its reverse (5102400040101), we get a palindrome (6112800082116).

The spelling of 1010400042015 in words is "one trillion, ten billion, four hundred million, forty-two thousand, fifteen".