1010400545 has 32 divisors (see below), whose sum is σ = 1515995136. Its totient is φ = 628056000.

The previous prime is 1010400529. The next prime is 1010400569. The reversal of 1010400545 is 5450040101.

It is not a de Polignac number, because 1010400545 - 2⁴ = 1010400529 is a prime.

It is a super-2 number, since 2×1010400545² = 2041818522672594050, which contains 22 as substring.

It is a Duffinian number.

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, 137720 + ... + 144870.

It is an arithmetic number, because the mean of its divisors is an integer number (47374848).

Almost surely, 2^1010400545 is an apocalyptic number.

It is an amenable number.

1010400545 is a deficient number, since it is larger than the sum of its proper divisors (505594591).

1010400545 is a wasteful number, since it uses less digits than its factorization.

1010400545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1010400545 is about 31786.7982816766. The cubic root of 1010400545 is about 1003.4548982651.

Adding to 1010400545 its reverse (5450040101), we get a palindrome (6460440646).

The spelling of 1010400545 in words is "one billion, ten million, four hundred thousand, five hundred forty-five".