101463440 has 40 divisors (see below), whose sum is σ = 254051448. Its totient is φ = 37463040.

The previous prime is 101463437. The next prime is 101463443. The reversal of 101463440 is 44364101.

It is an interprime number because it is at equal distance from previous prime (101463437) and next prime (101463443).

It can be written as a sum of positive squares in 4 ways, for example, as 2421136 + 99042304 = 1556^2 + 9952^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101463443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47741 + ... + 49820.

Almost surely, 2^101463440 is an apocalyptic number.

101463440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101463440 is an abundant number, since it is smaller than the sum of its proper divisors (152588008).

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

101463440 is a wasteful number, since it uses less digits than its factorization.

101463440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97587 (or 97581 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 101463440 is about 10072.9062340518. The cubic root of 101463440 is about 466.4121560048.

The spelling of 101463440 in words is "one hundred one million, four hundred sixty-three thousand, four hundred forty".